BOUCHE D'EXTRACTION OU INSUFFLATION D'AIR AMÉLIORÉE POUR SYSTÈME DE VENTILATION D'UN LOCAL

European patent · EP3978818 · Deleted

Register entry

Publication number
EP3978818
Application number
EP21200309
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Sep 30, 2021
Published
Apr 6, 2022
Granted
Feb 12, 2025
Deleted
Apr 25, 2026
Reason
Annual fee unpaid
IPC classes
F24F 11/32 (2018.01)
F24F 11/52 (2018.01)
F24F 11/526 (2018.01)
F24F 13/06 (2006.01)
F24F 11/00 (2018.01)
Priority
FR 2010061 01.10.2020
Filing language
French
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Apr 25, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    25.04.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 25.04.2026

  2. Nov 19, 2025

    Change

    Published in Swissreg on 19.11.2025

  3. Feb 12, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 12.02.2025

Parties

Inventor

LEGREE, Marc

77615 MARNE LA VALLEE CEDEX 3, FR

MARCHEWKA, ALBIN

77615 MARNE-LA-VALLEE Cedex 3, FR

PARSY, François

77615 MARNE LA VALLEE CEDEX 3, FR

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.